The Rode VXLR+ is a 3.5mm female TRS to male XLR adapter with conversion from 12-48V phantompower to 3-5V 'Plug in Power'. With this feature it is possible to operate microphones via XLR.
Here is an example of use for the RØDE VXLR+ adapter as connection between an camera assembled microphone and a camera.
On this picture the RØDE VXLR+ adapter is connected with a RØDELink Filmmaker Kit wireless system.